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Head-to-head · 3D Model Marketplaces

Cults3D vs McMaster-Carr CAD Models

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Cults3D #2 in 3D Model Marketplaces 9.3/10 Free plan Free plan✓ 1 of 2 features Visit Cults3D
McMaster-Carr CAD Models #7 in 3D Model Marketplaces 8.8/10 Free plan Free plan✓ 0 of 2 features Visit McMaster-Carr

Cults3D leads on 1 check, McMaster-Carr CAD Models on 0, and 2 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreCults3D · 9.3/10
  • Free planboth
  • Most featuresCults3D · 1 of 2

Cults3D scores higher on our rubric for 3d model marketplaces: 9.3 against 8.8 out of 10; our editors rank them #2 and #7.

Cults3D offers commercial license; McMaster-Carr CAD Models doesn't.

Cults3D is the better fit for maker files and 3D-print communities. McMaster-Carr CAD Models is the better fit for engineering CAD parts at scale.

  • Cults3D fits best

    Maker files and 3D-print communities

  • McMaster-Carr CAD Models fits best

    Engineering CAD parts at scale

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature Cults3D 9.3/10 Visit ↗ McMaster-Carr CAD Models 8.8/10 Visit ↗
At a glance
Editor score 9.3 8.8
Ranking #2 in 3D Model Marketplaces #7 in 3D Model Marketplaces
Best for Maker files and 3D-print communities Engineering CAD parts at scale
Pricing model Free plan + paid Free
Starting price Not published Not published
Free plan ✓ ✓
Free trial — —
Deployment Cloud Cloud, Browser extension
Platforms Web Web, Windows
Support Email, Docs Email, Docs
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Cults3D 1/2 · McMaster-Carr CAD Models 0/2
Commercial license ✓ (best) —
Subscription access — —
Specs
3D file formats STL, OBJ, 3MF, AMF, STEP, STP, SCAD, X3D, DAE, 3DS, SLDPRT, F3D, F3Z, SLDASM, FCSTD, SKP STEP, SLDPRT, Parasolid (.X_T)
License options Commercial Not published
Downloads per month Not published Not published
Game engine support Not published Not published
Our review
Pros
  • Free, open-source and paid files across maker disciplines.
  • Commercial-use licensing and downloadable CAD and mesh formats.
  • Designer sales, collections and community interaction in one marketplace.
  • Over 700,000 maintained CAD models across McMaster-Carr parts
  • STEP, SLDPRT, Parasolid, simplified, feature-rich, and drawing files
  • SOLIDWORKS add-in supports BOM, order forms, and model insertion
Cons
  • No subscription access; purchases are tied to individual designs.
  • Support is via email and docs, without 24/7 coverage.
  • GraphQL API focuses on catalog metadata and external links.
  • Usage is restricted to deciding whether to purchase McMaster-Carr products
  • Commercial exploitation, redistribution, and outside-purpose fabrication are prohibited
  • Workflow integration is centered on SOLIDWORKS and McMaster-Carr purchasing
Our verdict

Cults3D is a cloud marketplace and community for downloadable digital designs. It connects designers and makers working with 3D printers, CNC machines, laser cutters and related tools. The catalog covers 3D printing, CNC, laser cutting,…

Read the review →

McMaster-Carr CAD Models is a free library of downloadable 3D and 2D models for more than 700,000 parts in McMaster-Carr’s industrial catalog. It serves engineers, designers, and purchasing teams that need manufacturer-specific geometry…

Read the review →
  1. Cults3D3D Model Marketplaces 9.3Free plan
  2. McMaster-Carr CAD Models3D Model Marketplaces 8.8Free plan

Strengths and trade-offs

  • Cults3D — where it wins

    • Free, open-source and paid files across maker disciplines.
    • Commercial-use licensing and downloadable CAD and mesh formats.
    • Designer sales, collections and community interaction in one marketplace.

    Where it doesn't

    • No subscription access; purchases are tied to individual designs.
    • Support is via email and docs, without 24/7 coverage.
    • GraphQL API focuses on catalog metadata and external links.

  • McMaster-Carr CAD Models — where it wins

    • Over 700,000 maintained CAD models across McMaster-Carr parts
    • STEP, SLDPRT, Parasolid, simplified, feature-rich, and drawing files
    • SOLIDWORKS add-in supports BOM, order forms, and model insertion

    Where it doesn't

    • Usage is restricted to deciding whether to purchase McMaster-Carr products
    • Commercial exploitation, redistribution, and outside-purpose fabrication are prohibited
    • Workflow integration is centered on SOLIDWORKS and McMaster-Carr purchasing

More comparisons

All 3D model marketplaces comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update